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Table 3 Summary of basic clinico-pathological features of extranodal NK/T-cell lymphoma, nasal type of head and neck region

From: Aberrant antigenic expression in extranodal NK/T-cell lymphoma: a multi-parameter study from Thailand

Demographic data (From 31 cases) Frequency %
Age   
- Range: 15-74 years   
- Median: 42 years   
- Mean: 45 years (SD 13)   
Sex   
- Male 23 74
- Female 8 26
- M/F ratio: 2.9   
Major presenting clinical symptoms* (From 31 cases) Frequency %
Nasal obstruction 15 48
Rhinorrhea 4 13
Epistaxis 4 13
Fever 3 10
Dysphagia 3 10
Orbital swelling and pain 2 7
Blurred vision and headache 1 3
Epiphora 1 3
Chronic oral ulcer 1 3
Palatal mass 1 3
Morphologic patterns (From 22 cases) Frequency %
Lymphoma cell size   
- Predominantly small 0 0
- Mixed small and medium-sized 2 9
- Predominantly medium-sized 6 27
- Mixed medium-sized and large 11 50
- Predominantly large 3 17
- Anaplastic 0 0
Angioinvasion   
- Present 15 68
- Not identified 7 32
Tissue necrosis   
- Present 21 95
- Not identified 1 5
  1. * Some cases have more than one major presenting symptom